🇳🇱 KLOPPERT Coen · NETHERLANDS

103rank
-147.8Butler · 156 bds
-0.95per board
±4.4swing
-0.87vs par /bd · #94/108
-0.88adjusted /bd
Butler per round: -13.9 -17 -1 -18 -7.8 -7.7 -1.9 -34 3 -30.9 -16.4 -29.5 27.3by round

vs par split: bidding -0.31 · play -0.55

Strength of schedule: opponents averaged +0.07/bd (a tough draw) → opponent-adjusted -0.88/bd

Card play — on target: opening leads 73.8% #81 of 108 · declarer play 66.7% #80 of 108 · defence 71.2% #96 of 108

Bidding activity — not a pass: 38.4% #94 of 108 (164/427)

Card play by contract type — on target
vs NTvs a suit
Opening leads54.5% (11)80.6% (31)
Declarer play56.2% (16)73.1% (26)
Defence68.0% (25)72.7% (55)

Opening leads by suit led: ♠ 73.3% (15) · ♥ 75.0% (8) · ♦ 60.0% (10) · ♣ 88.9% (9)

vs par by strain: NT -1.12 (56) · a suit -0.72 (100)

vs par by level: part-score -0.62 (60) · game -1.35 (92) · slam +6.50 (4)

By role: declaring -1.14/bd (-3.65 vs par · 76) · defending -0.77/bd (+1.77 vs par · 80)

By vulnerability: vulnerable -1.01/bd (-1.82 vs par · 80) · not vulnerable -0.88/bd (+0.14 vs par · 76)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2R.Van ZandbeekH.Wang – H.YuOpen12-13.9-1.16-0.58
Round 3R.Van ZandbeekT.Roekdeetawekoon – S.JittariyapongOpen12-17.0-1.42-4.58
Round 5R.Van ZandbeekC.Lu – C.PengOpen12-1.0-0.08+0.08
Round 6R.Van ZandbeekF.Kubat – P.KarlikOpen12-18.0-1.50-2.00
Round 8R.Van ZandbeekW.Battersby – A.ParekhOpen12-7.8-0.65+2.75
Round 9R.Van ZandbeekJ.Yin – C.CaoOpen12-7.7-0.64-0.17
Round 11R.Van ZandbeekB.Biborka – M.Juhasz-MolnarOpen12-1.9-0.16-3.00
Round 12R.Van ZandbeekE.Osen – K.AustadOpen12-34.0-2.83-3.92
Round 14R.Van ZandbeekC.Daldal – B.YildirimOpen12+3.0+0.25+0.17
Round 15R.Van ZandbeekA.Pedmanson – J.VahkClosed12-30.9-2.57-0.58
Round 16R.Van ZandbeekC.Chen – K.GeOpen12-16.4-1.37-2.17
Round 18R.Van ZandbeekA.Bukat – M.KlimiukOpen12-29.5-2.46-0.58
Round 19R.Van ZandbeekP.Goyal – R.JahagirdarClosed12+27.3+2.27+3.33

Every board — best Butler first↑ top

vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.

ButlerRoundOpponentsBdContractLeadResvs par
+8.8Round 11🇭🇺 HUNGARY84♥♠9-1+10
+8.6Round 19🇮🇳 INDIA125♠♥4-2+11
+8.5Round 2🇨🇳 CHINA226♥♠T-1+15
+8.3Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND213♣♠K-1+10
+8.1Round 14🇹🇷 TURKIYE194♥x♥8=+10
+8.1Round 19🇮🇳 INDIA106NT♥7-3+14
+6.5Round 9🇺🇸 USA275♥♦K-1+17
+5.9Round 5🇹🇼 CHINESE TAIPEI103NT♥6-2+13
+5.8Round 6🇨🇿 CZECH REPUBLIC164♠♠J+2+17
+5.8Round 6🇨🇿 CZECH REPUBLIC254♠♦6-2+8
+5.8Round 16🇺🇸 USA1224♠♣A-2+7
+5.5Round 19🇮🇳 INDIA33♥♥3-1+6
+5.3Round 3🇹🇭 THAILAND123NT♥4+1-12
+4.9Round 5🇹🇼 CHINESE TAIPEI113NT♣Q+1+0
+4.7Round 9🇺🇸 USA2123NT♥5+4+2
+4.6Round 6🇨🇿 CZECH REPUBLIC214♥♠2-1+5
+4.6Round 19🇮🇳 INDIA74♦♥A+1+1
+4.2Round 16🇺🇸 USA1153♣♠A-1+5
+4.1Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND162♠♦3+2+2
+3.9Round 14🇹🇷 TURKIYE223NT♣2=+7
+3.6Round 15🇪🇪 ESTONIA54♠♦Q+1+0
+3.4Round 11🇭🇺 HUNGARY123NT♣3+1-13
+3.4Round 19🇮🇳 INDIA13♣♦Q+2+7
+3.3Round 3🇹🇭 THAILAND64♣♦A=+0
+3.1Round 15🇪🇪 ESTONIA25♣♥T-2+6
+2.8Round 5🇹🇼 CHINESE TAIPEI33♥♣A-3+1
+2.8Round 12🇳🇴 NORWAY174♠♣4+1+1
+2.8Round 18🇵🇱 POLAND203NT♣9+2+0
+2.6Round 9🇺🇸 USA233NT♣T+2+1
+2.6Round 11🇭🇺 HUNGARY113♥♦6-1+6
+2.4Round 12🇳🇴 NORWAY231NT♠9+1+0
+2.3Round 19🇮🇳 INDIA43NT♦Q+1-1
+2.1Round 5🇹🇼 CHINESE TAIPEI54♠♣6=+0
+1.9Round 3🇹🇭 THAILAND34♠♦A+1+0
+1.9Round 5🇹🇼 CHINESE TAIPEI71NT♦A-1-1
+1.9Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND231♠♦6+1+6
+1.9Round 15🇪🇪 ESTONIA72♠♣8+2-1
+1.8Round 3🇹🇭 THAILAND13♥♠2=+1
+1.6Round 11🇭🇺 HUNGARY73NT♥7=+0
+1.4Round 3🇹🇭 THAILAND73♠♣A=+0
+1.4Round 18🇵🇱 POLAND161NT♥4=-1
+1.3Round 5🇹🇼 CHINESE TAIPEI64♥♣6-1+5
+1.3Round 6🇨🇿 CZECH REPUBLIC154♥♦K-3+4
+1.2Round 14🇹🇷 TURKIYE263NT♠3+2+1
+1.2Round 15🇪🇪 ESTONIA64♠♥Q+3-14
+1.1Round 14🇹🇷 TURKIYE213NT♠7+3+1
+1.1Round 14🇹🇷 TURKIYE243♦♣9-1-2
+0.9Round 14🇹🇷 TURKIYE163NT♥3+2+12
+0.8Round 14🇹🇷 TURKIYE235♦♠6=-13
+0.8Round 19🇮🇳 INDIA114♠♣J-1+5
+0.7Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND182♥♣4+2+4
+0.6Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND174♥♣5+1+0
+0.6Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND203NT♥5-2+8
+0.4Round 2🇨🇳 CHINA192NT♠A=-1
+0.4Round 5🇹🇼 CHINESE TAIPEI23NT♣8-1-5
+0.4Round 16🇺🇸 USA1243NT♠3+1+0
+0.3Round 2🇨🇳 CHINA172♥♠J-1-1
+0.2Round 2🇨🇳 CHINA163NT♠5+4+15
+0.2Round 11🇭🇺 HUNGARY41♥♣Q+1-1
+0.1Round 2🇨🇳 CHINA234♥♣K+2+13
+0.1Round 11🇭🇺 HUNGARY34♥♠T=-1
+0.1Round 15🇪🇪 ESTONIA102NT♣4=+10
+0.1Round 16🇺🇸 USA1165♦♥4=-1
+0.1Round 18🇵🇱 POLAND173NT♦3+1+1
+0.1Round 18🇵🇱 POLAND221NT♦6+2+1
+0.0Round 6🇨🇿 CZECH REPUBLIC234♦♦4-1-6
-0.1Round 6🇨🇿 CZECH REPUBLIC203NT♥6+1-13
-0.1Round 16🇺🇸 USA1172NT♦3=+7
-0.2Round 15🇪🇪 ESTONIA82♠♥K-1-2
-0.2Round 16🇺🇸 USA1203NT♦8+2+0
-0.3Round 2🇨🇳 CHINA212♥♣A+1-6
-0.3Round 6🇨🇿 CZECH REPUBLIC194♥♦2+1+0
-0.3Round 9🇺🇸 USA213♠♦A+1+1
-0.3Round 19🇮🇳 INDIA84♥♦8=-7
-0.5Round 2🇨🇳 CHINA243NT♠3+1-1
-0.5Round 9🇺🇸 USA284♥♠4=+1
-0.5Round 12🇳🇴 NORWAY204♥♠A+1+0
-0.5Round 12🇳🇴 NORWAY262♥♦8-1-11
-0.5Round 16🇺🇸 USA1214♠♦8+2-1
-0.6Round 11🇭🇺 HUNGARY62♦♣T-2-5
-0.6Round 12🇳🇴 NORWAY193♣♠K-1+3
-0.7Round 3🇹🇭 THAILAND22♥♦T-1-5
-0.7Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND223♥♣K-1-2
-0.7Round 12🇳🇴 NORWAY241NT♥2=+1
-0.7Round 19🇮🇳 INDIA51NT♣4=-1
-0.8Round 11🇭🇺 HUNGARY92♥♣5-2+1
-0.9Round 9🇺🇸 USA225♥♦5-2-11
-0.9Round 9🇺🇸 USA291NT♣5+1-1
-0.9Round 12🇳🇴 NORWAY152♠♥J=+0
-0.9Round 19🇮🇳 INDIA63♥♠A+1+10
-1.0Round 2🇨🇳 CHINA255♦♥J=-11
-1.1Round 2🇨🇳 CHINA183NT♣5+2+10
-1.1Round 3🇹🇭 THAILAND83NT♦J+1+0
-1.1Round 18🇵🇱 POLAND243♥♣3=+7
-1.2Round 19🇮🇳 INDIA23♦♣T+1-1
-1.3Round 11🇭🇺 HUNGARY13NT♥5=+1
-1.4Round 2🇨🇳 CHINA154♠♥6+3-17
-1.6Round 14🇹🇷 TURKIYE154♠♣8+1+0
-1.6Round 18🇵🇱 POLAND194♣♥K-1-6
-1.8Round 5🇹🇼 CHINESE TAIPEI81NT♥5=+0
-1.9Round 5🇹🇼 CHINESE TAIPEI13NT♠5+2-2
-2.1Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♥♣J=+1
-2.1Round 9🇺🇸 USA244♦♦3-1+1
-2.2Round 9🇺🇸 USA265♠♦Q=+0
-2.2Round 11🇭🇺 HUNGARY52♥♠A=-9
-2.4Round 3🇹🇭 THAILAND92♥♦K+1+0
-2.5Round 3🇹🇭 THAILAND103♦♣A+1-10
-2.8Round 15🇪🇪 ESTONIA123♠x♦T-2+10
-2.9Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND255♣x♠3-1+6
-2.9Round 14🇹🇷 TURKIYE172NT♠9+2-1
-2.9Round 14🇹🇷 TURKIYE254♠♥J+3-14
-2.9Round 16🇺🇸 USA1184♠♣2-1-9
-2.9Round 18🇵🇱 POLAND254♠x♥A-3-4
-2.9Round 19🇮🇳 INDIA91NT♦Q-1-4
-3.1Round 12🇳🇴 NORWAY214♠♦8=+1
-3.2Round 14🇹🇷 TURKIYE183NT♠6+1+0
-3.3Round 6🇨🇿 CZECH REPUBLIC242NT♦4-1-4
-3.3Round 12🇳🇴 NORWAY253NT♦5+1-10
-3.5Round 14🇹🇷 TURKIYE204♥♠T=+1
-3.5Round 18🇵🇱 POLAND182♠♣5+1+0
-3.6Round 5🇹🇼 CHINESE TAIPEI123♥♠A-1+2
-3.6Round 18🇵🇱 POLAND264♥♠5+1-1
-3.8Round 9🇺🇸 USA2113NT♠6+2+10
-3.8Round 16🇺🇸 USA1252♠♦K=-6
-3.9Round 5🇹🇼 CHINESE TAIPEI43♠♥A-1-6
-4.2Round 6🇨🇿 CZECH REPUBLIC174♠♦T=+0
-4.2Round 15🇪🇪 ESTONIA43♠♠6=-1
-4.3Round 18🇵🇱 POLAND233NT♦6+1+0
-4.4Round 11🇭🇺 HUNGARY24♠♣Q=-11
-4.6Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND196♣♠J=+12
-4.9Round 3🇹🇭 THAILAND44♥♠A-2-7
-5.0Round 15🇪🇪 ESTONIA34♠♣8+1+0
-5.0Round 16🇺🇸 USA1264♥♣6=+0
-5.1Round 15🇪🇪 ESTONIA93NT♦K+1+1
-5.2Round 9🇺🇸 USA2102♠♦3+2-10
-5.6Round 9🇺🇸 USA253NT♥6-1-13
-5.9Round 16🇺🇸 USA1194♠♦Q-2-11
-6.2Round 2🇨🇳 CHINA204♠♠6-2-8
-6.7Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND243NT♣3+1-1
-7.0Round 6🇨🇿 CZECH REPUBLIC223NT♦4-3-11
-7.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND262NT♥J-2-13
-7.2Round 12🇳🇴 NORWAY185♣x♠K=-4
-7.4Round 3🇹🇭 THAILAND53♠♣5-2-8
-7.7Round 18🇵🇱 POLAND213NT♦K+2-1
-8.5Round 16🇺🇸 USA1234♥♦7+2-17
-9.1Round 5🇹🇼 CHINESE TAIPEI94♥♦8+1-6
-9.1Round 6🇨🇿 CZECH REPUBLIC183NT♦A-1-13
-9.2Round 18🇵🇱 POLAND153NT♠5=-3
-9.3Round 11🇭🇺 HUNGARY103NT♦J-4-14
-9.6Round 15🇪🇪 ESTONIA14♠♦J-1-11
-10.9Round 12🇳🇴 NORWAY223♣x♠5=-14
-11.5Round 6🇨🇿 CZECH REPUBLIC263NT♥T+2-11
-11.5Round 12🇳🇴 NORWAY164NT♠7+3-14
-11.7Round 3🇹🇭 THAILAND114NT♥J-1-14
-12.9Round 2🇨🇳 CHINA266♦x♥T-6-15
-13.9Round 15🇪🇪 ESTONIA115♥x♣5-5-5